\begin{tabular}{c c c c c}
	Data channel  & GB/s/thread & Size & Accessibility & Overhead \\
  \hline
	Register (shuffle) & 1.00  & up to 32 KB & 32 threads  & none \\
	Shared memory      & 0.25  & 50-200 KB   & 256 threads & small \\
	L2 cache           & 0.10  & 1-100 MB    & all threads & large \\
	Global memory      & 0.025 & 10-100 GB   & all threads & large \\
\end{tabular}
